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Mixing Niacinamide and L-Ascorbic Acid Powders in Water
Regarding mixing Vitamin B3 (Niacinamide) and Vitamin C (L-Ascorbic Acid) powders: After mixing the powders together, what is the next step? Is it simply mixing the powders...
Cream yellowing and skin staining from high concentration of Hi-Quercetin®
My cream formulation using 5% Hi-Quercetin® (Onion Extract) is causing the cream and skin to turn yellow. How can I fix this issue in the existing batch? I previously...
BHA Toner Formulation for Acne: Replacing BHA with Timed-Release and Adding Anti-inflammatory Extracts
I am developing a BHA toner formulation for acne and have some questions regarding ingredient substitution and effectiveness: 1. I currently use 3% regular BHA. I want to...
Formulating Anti-Aging Gel with DMAE: Base Compatibility and Texture Adjustment
I am formulating an anti-aging gel containing DMAE. Can I use `TransDerm` base? If not, what base should I use instead, and how should I adjust the texture?
Simple Cleansing Water / Makeup Remover Formulation using MakeUp-Wash™
Could you provide a simple formulation for a makeup remover (cleansing water) using `MakeUp-Wash™ (PEG-6 Caprylic/Capric Glycerides)`? Please include the ingredients, mixing...
Making Water-Based Sunscreen with Zinc Oxide: Dispersion, Stability, and Formulation
I want to make a water-based sunscreen using Zinc Oxide. 1. Can I make an effective sunscreen using just water, 20% Zinc Oxide, and Pro Polymer? 2. Should Micronized Zinc Oxide...
Pine Bark Extract Precipitation in Gel Formulation
I have a question. Why does the product precipitate when pine bark extract is added? The pine bark extract does not dissolve into the gel texture. What should I do?
PHA (Gluconolactone) vs. AHA/BHA: Antibacterial Properties and Preservation Needs
Regarding PHA (Gluconolactone), how do its antibacterial properties compare to AHA and BHA? Can PHA, AHA, or BHA be used as the sole preservative in cosmetic formulations for...
Questions on Azelaic Acid Formulation: Preservatives, Base, and Measurement Accuracy
I have questions about formulating with Azelaic Acid (specifically the water-soluble form like `Liquid Azelaic™`). Based on the importance of precise measurement for...
Fixing Gel Liquefaction with Pro Polymer after adding DMAE
My gel formulation liquefied after adding liquid DMAE, even though the gel formed correctly before. How can I fix this and restore the gel texture using Pro Polymer?
Hyaluronic Acid Gel Clarity Issue
I am making a simple Hyaluronic Acid gel by mixing Hyaluronic Acid powder with water. Based on what I know, the resulting gel should be clear. However, the gel I made is...
Combining Repair Activator and Vitamin C E Ferulic Kit Stability
Regarding the Vitamin C E Ferulic Kit: * Is it possible to add Repair Activator to this kit? * What effect does adding Repair Activator have on the stability of the Vitamin C...
Recommendations for Oil-Free Gel/Cream and Face Mask Formulations
I have two questions regarding formulations: 1. I want to create a thick cream texture that can be packaged in a jar. It should be oil-free and absorb quickly into the skin....
Adding Scent and Changing Texture of Witch Hazel Alcohol-Free Toner
I have ordered the **Witch Hazel Alcohol-Free Toner** and understand that its natural scent is not very pleasant. 1. I want to add a scent to make it more appealing. There are...
Cloudiness and Effectiveness of Gel with Resveratrol + Soy Extract
My gel formulation containing Resveratrol and Soy Extract becomes cloudy when refrigerated. Is this normal, why does it happen (is it related to the solubility of genistein at...
Usage Percentage and Formulation for LHA/BHA (Capryloyl Salicylic Acid Liquid 10%)
Regarding Capryloyl Salicylic Acid (LHA) Liquid with 10% active LHA and Salicylic Acid (BHA): * What is the maximum recommended usage percentage for LHA/BHA on the face? * If...
Makeup Remover Formulation Options (Water-based and Oil-based)
Regarding makeup remover formulations: 1. If changing the formula to `water` + `Coco-Wash` + `MakeUp-Wash` (without `Propylene Glycol`), would it work? 2. If using another...
Compatibility of Laureth-23 and Reshape Gel in Formulation
I have a formulation that contains both water and oil phases. 1. Can I use Laureth-23 as an emulsifier to combine the water and oil phases? 2. Can I also use Reshape Gel in...
Phenoxyethanol in Cosmetics: Usage Rate and Stability
Regarding the preservative `Phenoxyethanol`, what is the recommended usage rate in cosmetic formulations? For a 500g batch, how much should be used? Also, how does the use of...
How to Prepare 0.4% Hyaluronic Acid Solution
How can I prepare a 0.4% solution of Hyaluronic Acid powder? What is the correct ratio of Hyaluronic Acid powder to water, and what is the recommended dissolution method?